3 functions implement hook_rdf_namespaces()

Note: the procedural functions in this list are found by pattern matching, so the list may include some functions that are not actually implementations of this hook.

drupal_get_rdf_namespaces in includes/common.inc
Returns a string containing RDF namespace declarations for use in XML and XHTML output.
rdf_rdf_namespaces in modules/rdf/rdf.module
Implements hook_rdf_namespaces().
rdf_test_rdf_namespaces in modules/rdf/tests/rdf_test.module
Implements hook_rdf_namespaces().

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